She might have been exactly like that whether nothing had happened中为什么不能用whether而要用if?

TESTTHREE 25.had she been older,she less sympathetic.TESTTHREE25.had she been older,she less sympathetic.A)had beenB)might beC)might have beenD)would be seen at a distance ,she might have been passed for a young women She might have come if she hadn't been so busy.为什么不是if she wasn't so busy? 英语翻译第一章中 as she would have worked at any other profession that might have been taught her. might have been 和 cound have been的区别 Hardware changes might not have been detected She might have been exactly like that whether nothing had happened中为什么不能用whether而要用if? 为什么要用if 用语法知识回答I will alway wonder how high she might have lifted that car （if ）she have been well and strong If she hadn't been ill ,she might have ___(come ).与过去事实相反have+done 就应该用came啊 ——--,she might have some good idea to solve the problem A.were she here B.if she had been here 选选哪个? I will alway wonder how high she might have lifted that car if she have been well and strongI will alway wonder how high she might have lifted that car if she have been well and strong为什么用if 请快速回答我 might be和 may have been的区别?还有是might do和 may have done I might have I might have been hallucinating.请问诸位,这是什么结构的句子啊 i might have been in love before 翻译中文 I might have been in love before是什么歌 I'll never long for what might have been Never benever seewon't see what might have been意思 翻译：The outcome might have been more positive.